Mirrai Careers

Fall 2026 / Winter 2027 R&D Engineering Intern – Hydrogen Systems

Fourier

HQ Internship$60k / year Posted 30+ days ago
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About the role This internship will involve supporting the design and validation of our commercial product. The intern will contribute to the design of a regenerative drying and purification system to enable efficient and continuous production of high-purity hydrogen. Working closely with an R&D engineer, the intern will characterize thermal/separation processes, develop control systems, and optimize operating parameters to satisfy key reliability and cost constraints. As the directly responsible individual overseeing an experimental test station, the intern will develop a data analysis framework to provide key insights into long-term physicochemical phenomena. The role may involve working with vendors to design and develop custom components. Requirements  Currently pursuing or recently completed a B.S. or M.S. in Chemical / Materials / Mechanical / Environmental Engineering, Chemistry, Physics or similar  Comfortable rolling up their sleeves to work with basic mechanical/electrical components, troubleshoot independently, and motivated to take ownership (agency) of hands-on lab work  Strong fundamentals and problem-solving intuition in one or more of the following areas: thermodynamics, fluid mechanics, heat and mass transfer, reaction kinetics, phase equilibria  Thrives in a fast-moving environment and can learn, iterate, and execute with velocity  Must be available to start between October 2026 and January 2027 for work on-site in Mountain View, CA  Highly organized with strong attention to detail and a commitment to following through (accountability)  Clear, thoughtful communicator who works well on small, collaborative teams

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